Added dynamic project count and minor fixes

source/scripts/mainheader_generator.py

@@ -0,0 +1,25 @@
+import json
+
+def generate_mainheader():
+    with open("source/data/applications.json", "r", encoding="utf-8") as f:
+        data = json.load(f)
+    
+    project_count = len(data.get("applications", []))
+    
+    header_content = f"""
+<table align="center">
+    <tr>
+    <td>🇺🇦 v0.5.2-beta</td>
+    </tr>
+</table>
+
+<h1 align="center">[ definitive-opensource ] </h1>
+<p align="center">A definitive list of the best of everything open source</p>
+
+<p align="center"><code>Status: Active</code> - <code>Projects: {project_count}</code></p>
+"""
+    
+    return header_content
+
+if __name__ == "__main__":
+    generate_mainheader()